DTC B1534 or B1535
| DTC B1534 or B1535 |
| Diagnostic Instructions |
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Perform the
Diagnostic System Check - Vehicle
prior to using this diagnostic procedure.
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Review
Strategy Based Diagnosis
for an overview of the diagnostic approach.
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Diagnostic Procedure Instructions
has overviews of all diagnostic categories.
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| DTC Descriptors |
DTC B1534 02
Left Rear Door Handle Switch Circuit Short to Ground
DTC B1535 02
Right Rear Door Handle Switch Circuit Short to Ground
| Diagnostic Fault Information |
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
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Passenger Door Handle Switch Signal
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B1474 02
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1
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1
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-
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Left Rear Door Handle Switch Signal
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B1534 02
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1
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1
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-
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Right Rear Door Handle Switch Signal
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B1535 02
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1
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1
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-
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Passenger Door Handle Switch Ground
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-
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1
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1
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-
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Left Rear Door Handle Switch Ground
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-
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1
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1
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-
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Right Rear Door Handle Switch Ground
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-
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1
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1
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-
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1. Power Door Latch Malfunction
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| Circuit/System Description |
The left and right rear exterior door handle switch signal circuits provide inputs to the keyless entry control module when the rear exterior door handle switches are activated. These inputs allow the keyless entry control module to detect a rear door open request. The keyless entry control module provides voltage to each rear exterior door handle switch via the left and right rear door handle switch signal circuits. When a rear door handle is activated, the switch closes and the voltage signals from the keyless entry control module are pulled to ground.
| Conditions for Running the DTC |
Battery voltage is between 9-16 V.
| Conditions for Setting the DTC |
B1534 02
The keyless entry control module detects the left rear exterior door handle switch signal circuit is shorted to ground or closed for more than 60 s.B1535 02
The keyless entry control module detects the right rear exterior door handle switch signal circuit is shorted to ground or closed for more than 60 s.| Action Taken When the DTC Sets |
The keyless entry control module ignores inputs from the rear exterior door handle switches.
| Conditions for Clearing the DTC |
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The DTC will be current for as long as the fault is present.
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When the fault is no longer present, the DTC will be a history DTC.
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A history DTC will clear after 50 ignition cycles.
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| Reference Information |
Schematic Reference
Door Lock/Indicator Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
Power Door Locks Description and Operation
Electrical Information Reference
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Circuit Testing
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Connector Repairs
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Testing for Intermittent Conditions and Poor Connections
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Wiring Repairs
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Scan Tool Reference
Control Module References for information on diagnostic tools
| Circuit/System Verification |
Ignition ON, observe the scan tool keyless entry control module Exterior Left Rear Door Handle Switch or Exterior Right Rear Door Handle Switch parameter while using the rear door handle. The parameter should change between Active and Inactive.
| Circuit/System Testing |
| 1. |
Ignition OFF, disconnect the harness connector at the B27LR Door Handle Switch - Left Rear Exterior or B27RR Door Handle Switch - Right Rear Exterior.
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| 2. |
Ignition ON, verify the following scan tool parameter is Inactive:
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Left rear door: Exterior Left Rear Door Handle Switch
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Right rear door: Exterior Right Rear Door Handle Switch
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| 3. |
If not the specified value, test the signal circuit terminal 2 for a short to ground. If the circuit tests normal replace the K84 Keyless Entry Control Module.
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| 4. |
Install a 3 A fused jumper wire between the signal circuit terminal 2 and ground circuit terminal 1. Verify the following scan tool parameter is Active.
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Left rear door: Exterior Left Rear Door Handle Switch
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Right rear door: Exterior Right Rear Door Handle Switch
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| 5. |
If not the specified value, test the signal circuit terminal 2 for an open/high resistance. If the circuit tests normal replace the K84 Keyless Entry Control Module.
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| 6. |
If all circuits test normal, test or replace the B27LR Door Handle Switch - Left Rear Exterior or B27RR Door Handle Switch - Right Rear Exterior.
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| Component Testing |
Static Test
| 1. |
Ignition OFF, disconnect the harness connector at the B27LR Door Handle Switch - Left Rear Exterior or B27RR Door Handle Switch - Right Rear Exterior.
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| 2. |
With the switch in the open position, test for infinite resistance between the signal terminal 2 and the ground terminal 1.
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| 3. |
If not the specified value, replace the B27LR Door Handle Switch - Left Rear Exterior or B27RR Door Handle Switch - Right Rear Exterior.
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| 4. |
With the switch in the closed position, test for less than 5 Ω between the signal terminal 2 and the ground terminal 1
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| 5. |
If greater than the specified range, replace the B27LR Door Handle Switch - Left Rear Exterior or B27RR Door Handle Switch - Right Rear Exterior.
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| Repair Instructions |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
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Rear Side Door Outside Handle Replacement
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Control Module References
for remote control door lock receiver replacement, setup, and programming
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